/*
*  Copyright 2011 RoboViz
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/

varying vec2    diffuseTexCoords;
varying float   depth;

void main()
{	
	gl_Position = ftransform();
	diffuseTexCoords = vec2(gl_MultiTexCoord0);
	
	vec3 vertPos = vec3(gl_Position / gl_Position.w);
	vertPos = vertPos * 0.5 + 0.5;
	depth = vertPos.z;
} 